CN112290423A

CN112290423A - Power distribution box convenient to overhaul

Info

Publication number: CN112290423A
Application number: CN202011472732.2A
Authority: CN
Inventors: 郑肖楠; 瞿奔; 郑肖彬
Original assignee: Jingtai Electric Group Co ltd
Current assignee: Jingtai Electric Group Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-01-29
Anticipated expiration: 2040-12-15
Also published as: CN112290423B

Abstract

The invention relates to the field of electric power cabinets, and particularly discloses a power distribution box convenient to overhaul, which comprises a shell, an overturning side plate, a box door, a rotating shaft, a heat dissipation opening and a hinge, wherein the shell is provided with a plurality of side plates; all be connected with the upset curb plate through vertical pivot rotation on the left and right sides of casing, the horizontal installation peg graft pole is worn to be equipped with in the rear side of casing to slide, installs the horizontally lifter plate in the casing that the top of outlet corresponds, is provided with the clamp hoop of two semicircular ring structures that mutually support on the lifter plate, and the lower fixed surface of lifter plate installs annular gasbag, aerifys through the gasbag and makes the lifter plate rebound, and the gasbag is deflated and is made the lifter plate rebound. The arranged side plates capable of being turned outwards expand the space position in front of the distribution box, so that the arms of workers can extend into the distribution box from two sides, and the workers are more convenient and comfortable to overhaul; when the internal element is replaced, the connected wire can be pulled upwards, and the wire cannot be pulled in the wiring process, so that the wiring firmness of the connector is ensured.

Description

Power distribution box convenient to overhaul

Technical Field

The invention relates to the field of electric power cabinets, in particular to a power distribution box convenient to overhaul.

Background

The distribution box is generally divided into a power distribution box and a lighting distribution box, and is the final-stage equipment of a power distribution system. The distribution box is formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet according to the electrical wiring requirement, and a circuit can be switched on or off by a manual or automatic switch in normal operation. When the fault or abnormal operation occurs, the circuit is cut off or an alarm is given by the aid of the protective electric appliance. The power distribution box is also called a power control box and is one kind of the distribution box.

When the conventional power distribution box is used, due to the fact that the transverse depth is deep, two arms of a worker cannot easily and conveniently extend into the box body in the maintenance process, so that the worker is very difficult to maintain and operate, and feels uncomfortable; in addition, when the wiring terminal of the internal line is replaced and detached, the wire is easy to fall off under the drawing action of the wire, so that the installation is not firm, and therefore, the existing power distribution box needs to be improved.

Disclosure of Invention

The invention aims to provide a power distribution box convenient to overhaul so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a power distribution box convenient to overhaul comprises a shell, an overturning side plate, a box door, a rotating shaft, a heat dissipation opening and a hinge; the left side and the right side of the shell are rotatably connected with turnover side plates through vertical rotating shafts, the turnover side plates can rotate to be parallel to the side wall of the shell and be parallel to the side wall of the shell, the turnover side plates are embedded in the side wall of the shell and are rotated to be parallel to the side wall of the shell to seal the side wall of the shell together, and after the turnover side plates on the two sides rotate outwards, the distance between the two sides is enlarged, so that the arms of workers can conveniently stretch into the shell to operate, and the turnover side plates are convenient and comfortable; the outer side of the turning side plate on one side is connected with a box door through a hinge, and the box door can rotate to the other side to seal the inside of the shell; the rear side of the shell is provided with at least two horizontal installation inserting rods in a sliding penetrating manner, the installation inserting rods are distributed in the vertical direction, the rear ends of the installation inserting rods are fixedly connected to the same fixing plate, the fixing plate is provided with installation holes, the fixing plate is fixed on the wall surface through the installation holes, so that the shell is fixed on the wall surface through the installation inserting rods, the shell can move back and forth on the installation inserting rods, the front and rear horizontal positions are adjusted, the distance is changed, and workers can conveniently adjust the installation inserting rods according to requirements; the mounting and inserting rod is provided with a vertical pin hole penetrating through the upper part and the lower part, a vertical positioning pin is inserted into the pin hole, preferably, the rear side wall of the shell is attached to the fixing plate when the positioning pin is inserted into the pin hole, and the shell is clamped by the fixing plate and the positioning pin and is kept fixed without shaking; an outlet is formed in the bottom of the shell, an external lead extends into the shell from the outlet, and wiring is conducted in the shell; a horizontal lifting plate is arranged in the shell corresponding to the upper part of the wire outlet, a hole with the area equal to that of the wire outlet is formed in the lifting plate and penetrates through the lifting plate, two clamping hoops with semicircular ring structures which are matched with each other are arranged on the lifting plate, connecting lugs are arranged at two ends of each clamping hoop, the two connecting lugs on the same side are fastened together through a fastening bolt and a nut, the two clamping hoops are fixed, and the upward penetrating wires are clamped together through the fastening of the two clamping hoops, so that all wires are kept fixed; the lower surface of the lifting plate is fixedly provided with an annular air bag, the lower end of the air bag is adhered to the bottom of the shell, the lifting plate moves upwards through the inflation of the air bag, and the lifting plate moves downwards through the deflation of the air bag.

Further: the width of the turnover side plate is 1/2-2/3 of the depth of the shell in the front-back direction.

Further: the limiting block is arranged on the inner side of the turnover side plate corresponding to the rotating shaft, and the turnover side plate can be guaranteed to be moved to the position parallel and level with the side wall of the shell only towards the inner side.

Further: a plurality of radiating ports are formed in the overturning side plate, so that internal air flows, and heat dissipation in the shell is facilitated.

Further: the front end of the installation insertion rod is detachably provided with an expansion structure, and a plurality of installation insertion rods are connected together through the expansion structure to limit the outward moving position of the shell; the extending structure is including vertical expansion plate, and the length of expansion plate is greater than the distance of the installation inserted bar of top and bottom from top to bottom, wears to be equipped with on the expansion plate with the fixed pin of installation inserted bar one-to-one, and the fixed pin can drop from the expansion plate, sets up the external screw thread in the terminal outside of fixed pin, set up on the outer end of installation inserted bar with thread fit's screw hole, every fixed pin all can install on the installation inserted bar through threaded connection, fixes the expansion plate in the outside of installation inserted bar, plays the effect of restriction protection, the removal casing that the workman can be convenient when the operation, can not worry that the casing can drop from the installation inserted bar.

Further: all be fixed with the convex slider downwards on the bottom of engaging lug, the lifter plate upper surface that the slider corresponds is seted up with slider complex spout, slider sliding connection on the spout, makes engaging lug horizontal sliding connection on the spout, makes the lifter plate be connected with the clamp hoop, avoids clamp hoop rebound.

Further: the manual inflating device is connected to the inner portion of the air bag and located on the outer side of the shell, the main structure of the manual inflating device is a piston, the manual inflating device is pushed and pulled manually, gas is continuously sent into the air bag, the air bag is expanded, the lifting plate moves upwards, the pulling force between the upper end of the inner clamping wire and the electric element is reduced, and the wire is prevented from being separated in the installation process.

Further: still communicate in the gasbag and have the air release mouth, through the air release mouth with the air in the gasbag after the installation can.

Further: vertical through-holes have all been seted up on the both ends of lifter plate, slide in the through-hole and wear to be equipped with vertical guide bar, the lower extreme of guide bar is fixed on the bottom of casing, only can promote the lifter plate and move in vertical direction when making the gasbag inflation, guarantees the promotion to the lifter plate.

Compared with the prior art, the invention has the beneficial effects that: the side plate capable of being turned outwards is arranged, so that the space position in front of the distribution box is enlarged, the arms of workers can extend into the distribution box from two sides, the operation is convenient, the workers are more convenient and comfortable to overhaul, and thorough overhaul is ensured; meanwhile, the shell can move in the horizontal direction under the action of the installation of the insertion rod and cannot fall off from the shell, so that the installation is convenient, the shell can be pulled outwards in the overhauling process, and the overhauling operation is also convenient; can want the pulling with the wire of connecting when changing internal element, can not be dragged by the wire and guarantee that the wiring of connector is firm at the wiring in-process to the workman is light operates, and it is convenient to use.

Drawings

Fig. 1 is a schematic structural view of a power distribution box convenient to overhaul.

Fig. 2 is a schematic structural diagram of a power distribution box convenient for maintenance and provided with a plug rod.

Fig. 3 is a schematic structural diagram of an extended structure in a power distribution box convenient for maintenance.

Fig. 4 is a schematic structural diagram of a lifting plate in a power distribution box convenient for maintenance.

In the figure: 1-shell, 2-turnover side plate, 3-box door, 4-rotating shaft, 5-heat dissipation port, 6-hinge, 7-installation plug rod, 8-positioning pin, 9-expansion structure, 91-expansion plate, 92-fixing pin, 93-external thread, 10-outlet port, 11-threaded hole, 12-pin hole, 13-fixing plate, 14-installation hole, 15-lifting plate, 16-clamp hoop, 17-connecting lug, 18-fastening bolt, 19-sliding groove, 20-air bag, 21-through hole, 22-manual inflating device, 23-air releasing nozzle and 24-guide rod.

Detailed Description

Example 1

Referring to the drawings, in the embodiment of the invention, the power distribution box convenient to overhaul comprises a shell 1, an overturning side plate 2, a box door 3, a rotating shaft 4, a heat dissipation port 5 and a hinge 6; the left side and the right side of the shell 1 are rotatably connected with turnover side plates 2 through vertical rotating shafts 4, the turnover side plates 2 can rotate to be flush with the side wall of the shell 1 and flush with the side wall of the shell 1, the width of the turnover side plates 2 is 1/2-2/3 of the depth of the shell 1 in the front-back direction, the turnover side plates 2 are embedded and installed on the side wall of the shell 1, the side wall of the shell 1 is sealed together after the turnover side plates 2 rotate to be flush with the side wall, the distance between the two sides is enlarged after the turnover side plates 2 on the two sides rotate outwards, and the arms of workers can conveniently extend into the shell 1 to operate, so that the turnover side plates are convenient and comfortable; a limiting block is arranged on the inner side of the turnover side plate 2 corresponding to the rotating shaft 4, so that the turnover side plate 2 can only move inwards to a position flush with the side wall of the shell 1; the outer side of the turnover side plate 2 at one side is connected with a box door 3 through a hinge 6, and the box door 3 can rotate to the other side to seal the inside of the shell 1; a plurality of heat dissipation ports 5 are formed in the overturning side plate 2, so that internal air flows, and heat dissipation in the shell 1 is facilitated.

The rear side of the shell 1 is provided with at least two horizontal installation inserting rods 7 in a sliding penetrating manner, the installation inserting rods 7 are distributed in the vertical direction, the rear ends of the installation inserting rods 7 are fixedly connected to the same fixing plate 13, the fixing plate 13 is provided with mounting holes 14, the fixing plate 13 is fixed on the wall surface through the mounting holes 14, so that the shell 1 is fixed on the wall surface through the installation inserting rods 7, the shell 1 can move back and forth on the installation inserting rods 7, the front and rear horizontal positions are adjusted, the distance is changed, and workers can conveniently adjust according to requirements; a vertical pin hole 12 penetrating through the upper part and the lower part is formed in the mounting insertion rod 7, a vertical positioning pin 8 is inserted into the pin hole 12, preferably, when the positioning pin 8 is inserted into the pin hole 12, the rear side wall of the shell 1 is attached to the fixing plate 13, and the shell 1 is clamped by the fixing plate 13 and the positioning pin 8 and is kept fixed without shaking; in order to enable the shell 1 to move back and forth on the installation insertion rod 7 without being separated, an expansion structure 9 is detachably arranged at the front end of the installation insertion rod 7, and a plurality of installation insertion rods 7 are connected together through the expansion structure 9 to limit the outward moving position of the shell 1; extension structure 9 is including vertical extension board 91, and the length of extension board 91 is greater than the distance of the installation peg 7 of top and bottom about, wears to be equipped with on the extension board 91 with the fixed pin 92 of installation peg 7 one-to-one, and fixed pin 92 can follow and drop in the extension board 91, sets up external screw thread 93 in the terminal outside of fixed pin 92, set up on the outer end of installation peg 7 with external screw thread 93 complex screw hole 11, every fixed pin 92 all can be installed on installation peg 7 through threaded connection, fixes extension board 91 in the outside of installation peg 7, plays the effect of restriction protection, removal casing 1 that the workman can be convenient when the operation, can not worry that casing 1 can drop from installation peg 7.

Example 2

On the basis of the embodiment 1, the bottom of the shell 1 is provided with an outlet 10, an external lead extends into the shell 1 from the outlet 10, and the shell 1 is internally wired; a horizontal lifting plate 15 is installed in the shell 1 corresponding to the upper side of the outlet 10, a hole with the same area as the outlet 10 is formed in the lifting plate 15 and penetrates through the lifting plate 15, two clamping hoops 16 of semicircular structures matched with each other are arranged on the lifting plate 15, connecting lugs 17 are arranged at two ends of each clamping hoop 16, the two connecting lugs 17 on the same side are fastened together through a fastening bolt 18 and a nut, the two clamping hoops 16 are fixed, and the conducting wires penetrating upwards are clamped together through fastening of the two clamping hoops 16, so that all conducting wires are fixed in the holding positions; the bottom of the connecting lug 17 is fixed with a sliding block which protrudes downwards, the upper surface of the lifting plate 15 corresponding to the sliding block is provided with a sliding groove 19 matched with the sliding block, the sliding block is connected on the sliding groove 19 in a sliding manner, so that the connecting lug 17 is horizontally connected on the sliding groove 19 in a sliding manner, the lifting plate 15 is connected with the clamp 16, and the clamp 16 is prevented from moving upwards.

The lower surface of the lifting plate 15 is fixedly provided with an annular air bag 20, the lower end of the air bag 20 is adhered to the bottom of the shell 1, the lifting plate 15 is supported by the air bag 20, a manual inflating device 22 positioned on the outer side of the shell 1 is communicated in the air bag 20, the main structure of the manual inflating device 22 is a piston, the manual inflating device 22 is pushed and pulled manually, and gas is continuously sent into the air bag 20 to expand the air bag 20, so that the lifting plate 15 moves upwards, the tension between the upper end of a wire clamped inside and an electric element is reduced, and the wire is prevented from being separated in the installation process; the air bag 20 is also communicated with a deflation nozzle 23, and after the installation is finished, the air in the air bag 20 is released through the deflation nozzle 23; preferably, vertical through holes 21 have been all seted up on the both ends of lifter plate 15, and the through hole 21 slides in and wears to be equipped with vertical guide bar 24, and the lower extreme of guide bar 24 is fixed on the bottom of casing 1, only can promote lifter plate 15 and move in vertical direction when making gasbag 20 expand, guarantees the promotion to lifter plate 15.

When the fixing device is used, the fixing plate 13 is fixed on a wall surface, the shell 1 is hung through the mounting insertion rod 7 on the fixing plate 13, and when the shell 1 is fixed, the shell 1 is fixed on the wall surface only by inserting the positioning pin 8 into the vertical pin hole 12 of the mounting insertion rod 7; when a worker needs to operate in the shell 1, the turnover side plates 2 can be unfolded outwards, and the arms of the worker can extend into the shell 1 from two sides, so that the arms of the worker can move and stretch conveniently; the tail end of the installation inserting rod 7 can be provided with an expansion structure 9, the positioning pin 8 is taken down from the installation inserting rod 7, the front and rear positions of the shell 1 are adjusted, and the maintenance and adjustment of workers are also facilitated; when the internal cable connector needs to be replaced, the manual inflating device 22 can be manually operated to send air into the air bag 20, so that the air bag 20 is inflated, the lifting plate 15 is moved upwards, the inserted lead is driven to move upwards for a certain distance, the replaced element above the lifting plate is convenient to wire, and the stability of the lead connector during wiring is ensured; a plurality of wires are clamped and fixed through the clamp 16, so that the connector lug cannot be damaged when the wires are pulled outside, and the safe use of the distribution box is guaranteed.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A power distribution box convenient to overhaul comprises a shell (1), a turnover side plate (2), a box door (3), a rotating shaft (4), a heat dissipation opening (5) and a hinge (6); the refrigerator door is characterized in that the left side and the right side of the shell (1) are rotatably connected with turnover side plates (2) through vertical rotating shafts (4), and the outer sides of the turnover side plates (2) on one side are connected with a refrigerator door (3) through hinges (6);

the rear side of the shell (1) is provided with at least two horizontal installation insertion rods (7) in a sliding and penetrating mode, the installation insertion rods (7) are distributed in the vertical direction, the rear ends of the installation insertion rods (7) are fixedly connected to the same fixing plate (13), the fixing plate (13) is provided with installation holes (14), the shell (1) moves back and forth on the installation insertion rods (7), and the front and rear horizontal positions of the shell (1) are adjusted; a vertical pin hole (12) which penetrates through the upper part and the lower part is formed in the mounting insertion rod (7), and a vertical positioning pin (8) is inserted into the pin hole (12);

the bottom of the shell (1) is provided with a wire outlet (10), a horizontal lifting plate (15) is installed in the shell (1) corresponding to the upper portion of the wire outlet (10), holes with the area equal to that of the wire outlet (10) are formed in the lifting plate (15), two clamping hoops (16) of semicircular ring structures which are matched with each other are arranged on the lifting plate (15), two ends of each clamping hoop (16) are provided with connecting lugs (17), and the two connecting lugs (17) on the same side are fastened together through fastening bolts (18) and nuts; the lower surface of the lifting plate (15) is fixedly provided with an annular air bag (20), the lower end of the air bag (20) is adhered to the bottom of the shell (1), the lifting plate (15) moves upwards through inflation of the air bag (20), and the lifting plate (15) moves downwards through deflation of the air bag (20).

2. The power distribution box convenient to overhaul of claim 1, wherein: the width of the turnover side plate (2) is 1/2-2/3 of the depth of the shell (1) in the front-back direction.

3. The power distribution box convenient to overhaul of claim 1, wherein: and a limiting block is arranged on the inner side of the turnover side plate (2) corresponding to the rotating shaft (4).

4. A power distribution box convenient to overhaul according to any one of claims 1 to 3, characterized in that: a plurality of heat dissipation ports (5) are formed in the overturning side plate (2).

5. The power distribution box convenient to overhaul of claim 1, wherein: the front end of the installation insertion rod (7) is detachably provided with an expansion structure (9), and a plurality of installation insertion rods (7) are connected together through the expansion structure (9); extension structure (9) including vertical extension board (91), wear to be equipped with on extension board (91) with installation peg graft pole (7) one-to-one fixed pin (92), set up external screw thread (93) in the terminal outside of fixed pin (92), set up on the outer end of installation peg graft pole (7) with external screw thread (93) complex screw hole (11).

6. The power distribution box convenient to overhaul of claim 1, wherein: all be fixed with the convex slider down on the bottom of engaging lug (17), the lifter plate (15) upper surface that the slider corresponds is seted up and is seted up with slider complex spout (19), and slider sliding connection is on spout (19).

7. The power distribution box convenient to overhaul of claim 1, wherein: the manual inflating device (22) positioned outside the shell (1) is communicated in the air bag (20), and the manual inflating device (22) is pushed and pulled manually to send gas into the air bag (20) to expand the air bag (20).

8. The power distribution box convenient to overhaul as claimed in claim 1 or 7, wherein: the air bag (20) is also communicated with an air discharge nozzle (23).

9. The power distribution box convenient to overhaul of claim 1, wherein: vertical through holes (21) are formed in the two ends of the lifting plate (15), vertical guide rods (24) are arranged in the through holes (21) in a sliding and penetrating mode, and the lower ends of the guide rods (24) are fixed to the bottom of the shell (1).